| Rpmy Ltd | Wholesale & retail | 2026 |
| Rpmyltd Ltd | Wholesale & retail | 2026 |
| RPP Accounting Ltd | Administrative & support | 2019 |
| RPS Garage Services Limited | Wholesale & retail | 2010 |
| RR 14 Ltd | Wholesale & retail | 2025 |
| RR and John Limited | Health & social care | 2013 |
| RR Construction & SON Limited | Construction | 2015 |
| RRC (GB) Ltd | Other services | 2012 |
| Rrikamostores Ltd | Wholesale & retail | 2023 |
| RRK Homes Ltd | Real estate | 2021 |
| RRV Holdings Ltd | Real estate | 2025 |
| RRV Limited | Real estate | 2024 |
| RRV Properties & Developments Limited | Real estate | 2021 |
| RRV Retail Ltd | Wholesale & retail | 2023 |
| RRV Solutions Ltd | Wholesale & retail | 2021 |
| Rrvn Soft Technologies Ltd | Information & communication | 2016 |
| RS Catering (Maidstone) Ltd | Hospitality | 2025 |
| RS Compton Limited | Real estate | 2025 |
| RS Motor Services London Ltd | Wholesale & retail | 2024 |
| RS Optical Limited | Health & social care | 2006 |
| RS Rand Limited | Professional & scientific | 2022 |
| RS Traders LDN Ltd | Hospitality | 2017 |
| RSA Services Ltd | Health & social care | 2021 |
| RSB Retail Enterprise Limited | Wholesale & retail | 2019 |
| Rsdomcare Limited | Health & social care | 2026 |
| Rseliterenovations Ltd | Construction | 2026 |
| RSK Cars Limited | Wholesale & retail | 2013 |
| Rslf Ltd | Real estate | 2020 |
| Rsolid Limited | Arts & recreation | 2025 |
| RSR Global Education Ltd | Education | 2024 |
| RSR Global Immigration Consultancy Ltd | Professional & scientific | 2020 |
| RSR Global Limited | Professional & scientific | 2020 |
| RSR Global Training Academy Ltd | Education | 2023 |
| RSS Property Holdings Limited | Real estate | 2021 |
| RSS Property Solutions Ltd | Other services | 2020 |
| RST Scaffolding Limited | | 2015 |
| Rstt Investments Limited | Real estate | 2025 |
| Rsven Care Ltd | Health & social care | 2022 |
| RT Captial Ltd | Real estate | 2026 |
| RT Hospitality Ltd | Hospitality | 2024 |
| RT Livin Ltd | Real estate | 2025 |
| RT Technology Ltd | Information & communication | 2025 |
| RT Tuition Limited | Education | 2020 |
| RTA Contractors Ltd | Construction | 2019 |
| RTC Homes Limited | Real estate | 2023 |
| RTL Homes Limited | Real estate | 2023 |
| RTM Woolpack Yard Kendal Limited | Households | 2017 |
| RTO Management London Limited | Administrative & support | 2024 |
| Rtse Solutions Ltd | Professional & scientific | 2022 |
| Rtts London Ltd | Wholesale & retail | 2026 |
| Ruach Tech Ltd | Information & communication | 2024 |
| Ruam Holdings Ltd | Financial services | 2023 |
| Ruam Services Limited | Health & social care | 2025 |
| Rubie Mitchell & Co Limited | Administrative & support | 2019 |
| Rubina Hair & Beauty Limited | Other services | 2026 |
| Rubitus Ltd | Hospitality | 2023 |
| Ruby Lite Co. Ltd | Wholesale & retail | 2018 |
| Ruchi Properties Ltd | Real estate | 2026 |
| Ruchitop Limited | Wholesale & retail | 2024 |
| Rudex Personnel Ltd | Transport & logistics | 2020 |
| Rudhras Jewellers Ltd | Wholesale & retail | 2025 |
| Rudich Advisory Limited | Professional & scientific | 2013 |
| Rudra Private Limited | Wholesale & retail | 2023 |
| Rudrax Technologies Limited | Information & communication | 2025 |
| RUE Saint -Jaques 21 Limited | Wholesale & retail | 2013 |
| Ruel Health and Wellness Ltd | Health & social care | 2025 |
| Ruichang Trade Ltd | Wholesale & retail | 2025 |
| Ruiqiang Estates Ltd | Real estate | 2026 |
| Ruliv Limited | Real estate | 2025 |
| Rumah Estates Limited | Households | 2021 |
| Ruminant Health Ltd | Agriculture & fishing | 2017 |
| Rumsam Meadows Apartments Management Company Limited | Households | 2013 |
| Run Smooth Drainage Ltd | Construction | 2026 |
| Run to YOU - LLP | | 2024 |
| Runa Healthcare Ltd | Health & social care | 2022 |
| Runic Holdings Limited | Financial services | 2014 |
| Runners TV Limited | Information & communication | 2007 |
| Running Mail Limited | Transport & logistics | 2020 |
| Rupees Restaurant Ltd | Hospitality | 2020 |
| Rupert Bull & Co Limited | Professional & scientific | 2014 |
| Rupert Housing Limited | Real estate | 2023 |
| Rural Eco Limited | Construction | 2012 |
| Rush Abbey Limited | Wholesale & retail | 2023 |
| Rush Academy Covent Garden Limited | Extraterritorial | 2021 |
| Rush Blue Limited | Other services | 2020 |
| Rush Blue Properties (Fourteen) Ltd | Extraterritorial | 2021 |
| Rush Blue Properties (Eight) Ltd | Extraterritorial | 2021 |
| Rush Blue Properties (Eleven) Ltd | Extraterritorial | 2021 |
| Rush Blue Properties (Five) Limited | Extraterritorial | 2020 |
| Rush Blue Properties (Nine) Ltd | Extraterritorial | 2021 |
| Rush Blue Properties (One) Ltd | Real estate | 2020 |
| Rush Blue Properties (SIX) Limited | Extraterritorial | 2020 |
| Rush Blue Properties (Sixteen) Ltd | Extraterritorial | 2023 |
| Rush Blue Properties (Thirteen) Ltd | Extraterritorial | 2021 |
| Rush Blue Properties (Three) Limited | Real estate | 2020 |
| Rush Blue Properties (Two) Limited | Extraterritorial | 2020 |
| Rush Castle Limited | Wholesale & retail | 2023 |
| Rush Community Limited | Manufacturing | 2024 |
| Rush Court Limited | Wholesale & retail | 2023 |
| Rush Dock Limited | Wholesale & retail | 2023 |